Installing APT - don't do what I did

Last night, I installed APT. I followed the instructions for a client installation, which included: apt-get update apt-get check "This will make sure that you have no unresolved dependencies between installed packages. If it complains, that this is not the case, try:" (it did) apt-get -f install After I did this, I saw a whole bunch of files deleting before my eyes.. KDE didn't work anymore. I couldn't even open a shell. Nothing worked but my mouse. Went to the SuSE database, and found the instructions to delete Lilo and uninstall Linux. There're both gone now. Mark